Move interceptors to specific folders

src/app/app.module.ts

@@ -79,7 +79,7 @@ import { AddContentComponent } from './components/pages/add-content/add-content.
 import { ParticipantContentCarouselPageComponent } from './components/pages/participant-content-carousel-page/participant-content-carousel-page.component';
 import { ParticipantTextContentComponent } from './components/fragments/participant-text-content/participant-text-content.component';
 import { CreatorTextContentComponent } from './components/fragments/creator-text-content/creator-text-content.component';
-import { AuthenticationInterceptor } from './authentication.interceptor';
+import { AuthenticationInterceptor } from './interceptors/authentication.interceptor';
 
 @NgModule({
   declarations: [

src/app/authentication.interceptor.ts → src/app/interceptors/authentication.interceptor.ts

 import { Injectable } from '@angular/core';
 import { HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest, HttpResponse } from '@angular/common/http';
 import 'rxjs/add/operator/do';
-import { AuthenticationService } from './authentication.service';
-import { NotificationService } from './notification.service';
+import { AuthenticationService } from '../authentication.service';
+import { NotificationService } from '../notification.service';
 import { Router } from '@angular/router';
 import { Observable } from 'rxjs/Observable';